Recommended for personal projects, and teams building their identifiers.
Browser fingerprinting library with high accuracy and stability.Get it on Github
Recommended for businesses, and teams looking for a "turnkey" solution.
Cloud-hosted user identification service with 99.5% accuracy.Start Free Account
Highest identification accuracy using fingerprinting, fuzzy matching and server-side techniques.
Pro processes all information server-side and transmits it securely to your servers using our API.
Pro's VisitorID remains the same permanently, even as browsers are upgraded.
Hosted and maintained by our team - ensure identification accuracy without in-house expertise.
|Standard fingerprint signals|
screen, os, device name
|Advanced fingerprint signals|
canvas, audio, fonts
|ID lifetime||several weeks||months/years|
|Incognito mode detection|
works in all modern browsers - see our full list of browsers supported
|Server-side accuracy increase|
based on additional server-side signals, such as TLS crypto support, ipv4/v6 data and others
|Query API & realtime Webhooks|
build flexible workflows
based on IP address
|Data security||Your infrastructure||Encrypted at rest|
|Storage||Your infrastructure||Unlimited up to 1 yr|
|Regions||Your infrastructure||Hosting in US and EU|
|Compliance||Your infrastructure||GDPR, CCPA compliant3|
|SLA||No SLA||99.9% Uptime|
|Support||GitHub community||Support team via email, chat, and call-back within 1 business day|
|Access on GitHub||Create Account|
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Learn how to implement FingerprintJS Pro on your website and start collecting VisitorIDs.View docs >
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